διαγνώστης
From LSJ
τά γε μὰν λίνα πάντα λελοίπει ἐκ Μοιρᾶν → but all the thread granted him by the Fates had run out
English (LSJ)
ου, ὁ, A examining magistrate, = Lat. cognitor, Gloss.
Spanish (DGE)
-ου, ὁ magistrado encargado de examinar las sentencias, Gloss.2.270.